The Playlife Riddler adjustable inline skates are the perfect skates for kids. Because these skates are adjustable, they grow with the kids and they will enjoy them for years! The Riddler skates are also easy to put on and attach. So skating away has never been easier! Quickly on your way The Riddler skate is equipped with two micro adjustable clips, so children are quickly on their way! They are easy to close and fasten. The frame is made of sturdy polypropylene. In addition, the hardboot ensures that children are well seated in the shoe and gives extra reinforcement to ankles and feet. To further improve comfort, the Riddler inline skate has a fixed nylon lining, this helps give children excellent power transfer with every step. Because the Riddler has an EVA insole, kids will not get blisters. This allows kids to have hours of fun with these great inline skates from Playlife! Playlife wheels The wheels are one of the most important parts of your inline skates, they can drastically change your skating experience. With an 82A wheel hardness, kids roll smoothly through the streets. The Playlife wheels have a diameter of 70 mm. These impressive skates provide the perfect balance between speed and control on the road. ABEC 5 bearings ABEC is a rating system for tolerances in bearings. The higher the number on a scale of 1 to 11, in this case ABEC 5, the smaller the tolerance in the bearing. Having smaller tolerances means your bearing will spin faster and longer. So the bearings in this skate will provide a longer rolling time. Brakes The heel brake on the Riddler ensures that kids can safely hit the road and come to a stop in time for unexpected situations or traffic. This ensures that every child likes to go on the road with these fine inline skates from Playlife! General specifications: Color: grey, pink Gender: junior Type of shoe: hardboot Closure: two micro adjustable clips Insole material: EVA insole Outsole material: nylon Upper material: polypropylene Lining material: EVA padding Ventilation: medium Adjustable: yes Size: 35-38 Frame Specifications: Model Riddler Frame name: Unibody Frame material: polypropylene Frame wheelbase: 231 mm (9.1 inches) Wheel Specifications: Model Playlife Wheel hardness: 82A Diameter wheels: 70 mm Wheel width: 24 mm Wheel distance: 6 mm Wheel composition: HR (high rebound, cross comfort) Number of wheels: 4 Bearing Specifications: Rating: ABEC 5 Standard rating: 608 standard Material bearings: carbon pro steel Lubrication bearings: grease Specifications brakes: Model: heel brake